I was approached by an external recruiter and then spoke with an internal recruiter, hiring manager, sales engineering VP, and sales VP. All were intelligent, honest, and generally good people. There are general technical questions, but mostly it is about values, business acumen, and personal qualities.
There is a technical take-home that was of reasonable difficulty but did require a significant investment of time. Personally I do not rate highly take-home interview assignments , but as they go, this one was not bad. The instructions needed updating, but there were clear enough and the expectations reasonable.